Fixed fire fighting systems

Gaseous systems

Nitin Fire Protection Industries Ltd (NITIE)
501 Delta
Technology Street
Hirandani Gardens, Powai
Mumbai 400 076
India

Tel: +91 22 40457000 • Fax: +91 22 66920910
Email: systems@nitinfire.com • Web: www.nitinfire.com


Certificate No 855d to LPS 1230


‘Nitin227’ 25 bar & 42 bar HFC 227ea Gaseous Fire Suppression System

Product Risk

Design

Concentration

Comments

LPCB Ref. No.
Nitin227

Class A Standard (Solid fires e.g. paper, wood, plastics)

7.8%

Design concentration includes 30% safety factor

855d/01


See below for all products listed in this group including notes.

‘Nitin227’ 25 bar & 42 bar HFC 227ea Gaseous Fire Suppression System

Product Risk

Design

Concentration

Comments

LPCB Ref. No.
Nitin227

Class A Standard (Solid fires e.g. paper, wood, plastics)

7.8%

Design concentration includes 30% safety factor

855d/01
Nitin227

Class A Cables (Solid fires risks including cables)

8.2%

Confirmation that 'minimum safety factor' is adequate

855d/01
Nitin227

Class B (Liquid Fires e.g.heptane)

9.2%

Design concentration includes 30% safety factor

855d/01

 

Design concentration Class A Standard and Class B = Extinguishing concentration x safety factor (minimum 1.3).
Design concentrations are as tested to LPS 1230 in BRE Test Report Number 231870 (25 bar) & 254632 (42 bar) (Class A and B risks) and Test Letter 282069 (Class A Cables risks)
Extinguishing concentrations are as tested in BRE Test Report Number 231870 (ISO 14520-1 tests).

This system uses:

Design Manual: 'Eurotech Fire HFC227 Manual' - Issue 13-03.
  Software Program: VdS Schadenverhutung calculation package version 7.3 .
This system is suitable for storage and environmental conditions from -20º to 50ºC.
System pressure is specified as 25 bar and 42 bar at 20ºC.

 


To read the Red Book section introduction click here.

 

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